OMAP
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Installing OMAP3 images on a SD card
This article and screen-cast is a continuation of that last couple posts describing the BEC OE build template. The purpose again for a build system is to automate tedious manual tasks, and in doing so, we end up documenting how the build s…
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Gumstix Overo review
Based on the interest and number of embedded modules currently available, it appears that the OMAP3 CPU from TI will be very popular in the general purpose embedded Linux market. One of the OMAP3 modules available is the Overo from Gumstix…
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OMAP3 Resume Timing
One of the most common power management modes for ARM processors is the suspend mode. In this mode, peripherals are shut down when possible, the SDRAM is put into self-refresh, and the CPU is placed in a low power mode. A useful bit of in…
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Linux PM: OMAP3 Suspend Support
This article provides an overview of the Linux kernel support for the suspend state in the TI OMAP3. Power management has always been one of the more difficult parts of a system to get right. The OMAP3 power management is quite extensive.…
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Gumstix Overo Pinout Spreadsheet updated
The Gumstix Overo Pinout Spreadsheet has been updated with the Palo board connector pinouts, and a few mistakes have been fixed.
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Embedded Linux versus Windows CE
Occasionally I am asked how Embedded Linux compares with Windows CE. I have spent the past 5 years doing mostly embedded Linux development, and the previous 5 years doing mostly WinCE development with a few exceptions, so my thoughts are n…
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Memory Performance on various Embedded Systems
Marcin just published an interesting article about memory performance on various embedded systems using the hdparm -T as a simple benchmarq. This test gives a pretty good indicator of memory performance in the system. From the hdparm man …
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Intel Atom vs TI OMAP3
As we look at new projects, both the Intel Atom and the TI OMAP3 processors generate considerable interest. As we have already shown, the OMAP3 does offer a considerable performance improvement over earlier generations of ARM CPUs. The fo…
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GTK performance on PXA270 vs. OMAP3
Several of my customers have built applications using the GTK+ tookit. While GTK+ works fairly well for what we have done, I have been wondering how the performance compares on the new Omap3 processors from TI. As we are evaluating the OMA…